Manfred Jünemann Mess & Regeltechnik GmbH

Manfred Jünemann Mess & Regeltechnik GmbH

D-32107 Bad Salzuflen GERMANY

Diaphragm pressure gauges P20

Diaphragm pressure gauges P20

Service intended: Suitable for all gaseous and liquid media. With optional flange connection also for viscous and contaminated media.

Technical Data


EN 837-3 - S1


Ø 100, 160 and 250 mm, stainless steel, with pressure relief

Weather protection

IP 54 per EN 60529 / IEC 529

Pressure connection

G1/2B, Stainless steel 316Ti,

optional: open flange

Pressure element

Upper and lower flange: stainless steel 316Ti

Diaphragm: stainless steel 316Ti

Diaphragm sealing ring: FPM

Special materials see pages 02.0409 - 02.0410


Stainless steel


Aluminium, black


Aluminium, white, Scale and lettering, black


Laminated safety glass

Accuracy class


Temperature error, Tref 20°C

Rising temperature : +0,5 % FS / 10 K

Falling temperature : -0,5 % FS / 10 K

Ambient temperature Tmin / Tmax

- 25 ... + 60°C

Media temperature Tmax

+100 °C

Working pressure

Steady : 1,0 x full scale value

Fluctuating : 0,9 x full scale value

Short time overpressure : 5,0 x full scale value,

maximum 40 bar

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